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Finding the Fourth Proportional to 73,110.87, 100,892.88 and 39,576.87

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Solution

The fourth proportional to 73,110.87, 100,892.88 and 39,576.87 is: 54,616.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,110.87 : 100,892.88 = 39,576.87 : x
  2. Step 2: Convert to fraction form
    73,110.87/100,892.88 = 39,576.87/x
  3. Step 3: Cross multiply
    73,110.87x = 100,892.88 × 39,576.87
  4. Step 4: Simplify right side
    73,110.87x = 3,993,024,395.69
  5. Step 5: Solve for x
    x = 3,993,024,395.69/73,110.87
  6. Step 6: Final answer
    x = 54,616.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.